Question about 1990 Oldsmobile Cutlass Ciera
1990 Olds Cutlass Ciera TBI. Car starts after pumping but won't idle unless you push on gas, keeps stalling. When on the road it keeps shifting from overdrive and and back. Any clues on where the vacuum leak may be or something else I should check. I don't even know where the vacuum hoses are. Any help would be greatly appreciated, thanks.
It definetly sounds like a vacuum leak problem. The vacuum hoses are routed to perform various functions for the engine and transmission. They can be very difficult to track down. They are small diameter black hoses and start at the intake manifold (the source) and go to their respective locations.
They could be cracked, oil soaked, loose fitting, or disconnected to name a few problems to look for. Take it to a mechanic if you do not feel comfortable replacing the hoses.
Posted on Jan 22, 2009
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Posted on Jan 02, 2017
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